Registers – Coded record sensors – Particular sensor structure
Patent
1993-12-07
1995-02-14
Pitts, Harold
Registers
Coded record sensors
Particular sensor structure
235375, 235462, G06K 710
Patent
active
053897714
ABSTRACT:
Apparatus for imprinting patient or subject identifying information in the form of a barcode on unexposed X-ray film employing a light and lens system utilizing a negative LCD to cast the shadow for exposure on the film. The light and lens system employs a point light source and a light path which is extended by folding the path and using mirrors. A double convex lens is employed in one embodiment at the end of the light path to direct the light through the transparent LCD containing the information in barcode form.
REFERENCES:
patent: 4857716 (1989-08-01), Gombrich et al.
patent: 5229585 (1993-06-01), Lamberger et al.
Belkin Leonard
Pitts Harold
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